Hinds Brent 4
4 · ClearSign Technologies Corp · Filed Feb 24, 2026
Insider Transaction Report
Form 4
Hinds Brent
Chief Financial Officer
Transactions
- Exercise/Conversion
Common Stock
[F1]2026-02-20+9,315→ 133,571 total - Tax Payment
Common Stock
[F2]2026-02-20$0.59/sh−3,413$2,030→ 130,158 total - Exercise/Conversion
Common Stock
[F3]2026-02-22+7,547→ 137,705 total - Tax Payment
Common Stock
[F4]2026-02-22$0.59/sh−2,765$1,645→ 134,940 total - Exercise/Conversion
Restricted Stock Unit
[F5][F6]2026-02-20−9,315→ 18,631 total→ Common Stock (9,315 underlying) - Exercise/Conversion
Restricted Stock Unit
[F7][F8]2026-02-22−7,547→ 7,547 total→ Common Stock (7,547 underlying)
Footnotes (8)
- [F1]Reflects the vesting of 9,315 restricted stock units ("RSUs") out of the 27,946 RSUs granted to the reporting person on February 20, 2025, into an equal number of shares of the Company's common stock, without the payment of any consideration, pursuant to the Company's 2021 Equity Incentive Plan.
- [F2]Represents the payment of the reporting person's tax liability by withholding shares in connection with the vesting of 9,315 RSUs on February 20, 2026, and calculated based on the closing price of the Company's common stock, as reported on the Nasdaq Stock Market, on February 20, 2026, of $0.5949.
- [F3]Reflects the vesting of 7,547 RSUs out of the 22,641 RSUs granted to the reporting person on February 22, 2024, into an equal number of shares of the Company's common stock, without the payment of any consideration, pursuant to the Company's 2021 Equity Incentive Plan.
- [F4]Represents the payment of the reporting person's tax liability by withholding shares in connection with the vesting of 7,547 RSUs on February 22, 2026, and calculated based on the closing price of the Company's common stock, as reported on the Nasdaq Stock Market, on February 20, 2026, of $0.5949 (as February 22, 2026 fell on a weekend).
- [F5]On February 20, 2025, the reporting person was granted 27,946 RSUs as a one-time bonus for services as an executive officer for the year ended December 31, 2024, and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
- [F6]The RSUs granted on February 20, 2025, vest in three equal installments that commenced on February 20, 2026.
- [F7]On February 22, 2024, the reporting person was granted 22,641 RSUs as a one-time bonus for services as an executive officer for the year ended December 31, 2023, and each RSU represents a right to receive one share of common stock or the cash equivalent thereof.
- [F8]The RSUs granted on February 22, 2024, vest in three equal installments that commenced on February 22, 2025.
Signature
/s/ Brent Hinds|2026-02-24